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Ornstein–Uhlenbeck process
URI:
https://gptkb.org/entity/Ornstein–Uhlenbeck_process
GPTKB entity
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Statements (29)
Predicate
Object
gptkbp:instanceOf
gptkb:stochastic_process
gptkbp:application
modeling commodity prices
modeling interest rates
modeling neuronal activity
gptkbp:describes
velocity of a Brownian particle with friction
gptkbp:governingEquation
dX_t = θ(μ - X_t)dt + σdW_t
gptkbp:hasSpecialCase
gptkb:Langevin_equation
https://www.w3.org/2000/01/rdf-schema#label
Ornstein–Uhlenbeck process
gptkbp:introducedIn
1930
gptkbp:limitingDistribution
gptkb:normal_distribution
gptkbp:namedAfter
gptkb:George_Eugene_Uhlenbeck
gptkb:Leonard_Ornstein
gptkbp:parameter
W_t (Wiener process)
θ (rate of mean reversion)
μ (long-term mean)
σ (volatility)
gptkbp:relatedTo
gptkb:Wiener_process
Brownian motion
gptkbp:solvedBy
X_t = μ + (X_0 - μ)e^{-θt} + σ∫₀^t e^{-θ(t-s)}dW_s
gptkbp:stationaryDistribution
gptkb:Gaussian_distribution
gptkbp:type
gptkb:Gaussian_process
Markov chain
mean-reverting process
stationary process
gptkbp:usedIn
biology
finance
physics
gptkbp:bfsParent
gptkb:George_Uhlenbeck
gptkbp:bfsLayer
4